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5-3. Out of Displayed Range or Measuring Range
(*ThisexampleexplainswhatneedstobedoneinCord(PC)Flashmode.)
5-3-1. When Displayed Range is Exceeded
ForanygivenshutterspeedandISOsetting,“Over”willbedisplayedwhenthe
measuredlightvaluerequiresanf-stopsettingthatisgreaterthanthemaximum
availablef-stop(f/128).“Under”willbedisplayedwhenlowlightrequiresasettinglower
thantheminimumf-stop(f/0.5).
ExampleofOverExposureDisplay
ExampleofUnderExposureDisplay
1) Whenoverexposure“Over”isdisplayed:
Whenthedisplayrangeisexceededand“Over”appears,makeoneofthefollowing
adjustmentsuntilasuitablef-stopappearsonthemeasuringdisplay.
•
ChangetheT(shutterspeed)toafastersetting.
•
SettheISOsensitivitytolowersetting.
•
Ifpossible,lowertheoutputpoweroflightsource,andtakeanothermeasurement.
2) Whenunderexposure“Under”isdisplayed:
Whenthedisplayrangeisexceededand“Under”appears,makeoneofthefollowing
adjustmentsuntilasuitablef-stopappearsonthemeasuringdisplay.
•
ChangetheT(shutterspeed)toalowersetting.
•
SettheISOsensitivitytohighersetting.
•
Ifpossible,raisetheoutputpoweroflightsource,andtakeanothermeasurement.
5-3-2. When Measuring Range is Exceeded
Whentheamountoflightisoutsidethemeasuringrangeofthemeter,the“Over”and
“Under”displayswillappearandblink.Whenthishappens,adjustthebrightnesslevel
toobtainameasurement.
Whenbrightnessexceeds
measuringrange
Whenbrightnessisunderthe
measuringrange